Early Childhood Engineering and Science Inquiry Activities

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Learn all about balance and motion as your child designs a corn maze!

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this activity, your child will be challenged to make a tower using paper cups.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

In almost every preschool classroom is a sensory table. Learn how to make one at home!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

Using a toy race car kids create a visual model of the Doppler Effect.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.